DI-F129
DI_f129_epbNotApplied
Also written as DI_F129 / DI F129 / DI_f129_epbNotApplied / di_f129_epbnotapplied
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does DI-F129 mean?
Tesla fault code in the Drive Inverter (DI) module. This alert indicates there was a Drive Inverter fault and the Electronic Parking Brake (EPB) did not apply in a standstill state.
Original Description
This alert indicates there was a Drive Inverter fault and the Electronic Parking Brake (EPB) did not apply in a standstill state.
Affected Tesla Models
What You May Notice
- drive inverter critical fault: This alert indicates there was a Drive Inverter fault and the Electronic Parking Brake (EPB) did not apply in a standsti
- Vehicle enters reduced power or limp mode; acceleration severely limited
- Red warning on dashboard — vehicle may not allow driving
How to Diagnose and Resolve
- 1 Safely pull over and stop the vehicle
- 2 Attempt a full reboot: hold both scroll wheels until the Tesla logo appears
- 3 If power is not restored after reboot (fault: "This alert indicates there was a Drive Inverter fa"), call Tesla Roadside Assistance
- 4 The inverter or motor controller will require inspection at a Service Center
Severity Notes
DI-F129 is classified as a Fault, indicating a critical issue in the Drive Inverter system. Do not continue driving and contact Tesla Service immediately.